Display screen or portion thereof with graphical user interface



The sole FIGURE is a front view of a display screen or portion thereof with graphical user interface showing my new design.

The broken line showing of a device illustrates environment and the remainder of the broken lines represent portions of the display screen or portion thereof with graphical user interface; the broken lines form no part of the claimed design. 

CLAIM I claim the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 